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  • OID - OID of a variable (must correspond to the variable OID in the Define-XML file)
  • name - variable name
  • label - variable description
  • type - type of the variable . One of (i.e., "string", "integer", "decimal", "float", '"double'", 'boolean'. See "boolean"; see ODM types for details.)
  • length - variable length

The length attribute is optional. 

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Missing values are represented by null in the case of numeric variables, and an empty string in case of character variables: [1, "MyStudy", "", "DM", null]

The following is a full example of a Dataset-JSON file:

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